Apparatus for honing piezo-electric crystals



FIG. 1 is a view in front elevation of my new apparatus for honing piezo-electric crystals, showing my new design;

FIG. 2 is a view of one side thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a view of the other side thereof; and

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a apparatus for honing piezo-electric crystals, as shown and described. 